Table 2. The mean cumulative effective dose (mSv) according to patient age and sex.
| The mean cED (mSv) | ||||
|---|---|---|---|---|
| Age | The number of patients (Male : Female) | All | Male | Female |
| 0-4 | 2487 (1509:978) | 0.9 (0.0) | 1.0 (0.0) | 0.8 (0.1) |
| 5-10 | 1044 (671:373) | 0.9 (0.1) | 1.0 (0.1) | 0.9 (0.2) |
| 11-14 | 513 (371:142) | 1.1 (0.2) | 1.3 (0.2) | 0.8 (0.1) |
| 15-19 | 612 (438:174) | 3.8 (0.7) | 4.2 (0.9) | 3 (0.8) |
| 20-24 | 991 (511:480) | 1.7 (0.3) | 2.2 (0.4) | 1.1 (0.3) |
| 25-29 | 1219 (655:564) | 1.9 (0.3) | 2.4 (0.5) | 1.3 (0.2) |
| 30-34 | 857 (479:378) | 2.5 (0.4) | 3.2 (0.6) | 1.5 (0.4) |
| 35-39 | 696 (389:307) | 2.7 (0.4) | 3.8 (0.7) | 1.3 (0.3) |
| 40-44 | 513 (324:189) | 4.8 (0.8) | 5.0 (1.0) | 4.5 (1.2) |
| 45-49 | 438 (263:175) | 3 (0.5) | 3.8 (0.8) | 1.9 (0.5) |
| 50-54 | 500 (260:240) | 4.8 (0.8) | 7.1 (1.4) | 2.4 (0.6) |
| 55-59 | 415 (208:207) | 4.9 (1.1) | 5.5 (1.6) | 4.4 (1.5) |
| 60-64 | 346 (157:189) | 4.5 (0.6) | 4.9 (1.0) | 4.2 (0.8) |
| 65-69 | 347 (157:190) | 5.4 (0.7) | 5.7 (1.0) | 5.3 (0.9) |
| 70-74 | 296 (123:173) | 7.2 (1.0) | 8.6 (2.0) | 6.1 (0.9) |
| 75-79 | 205 (89:116) | 5.6 (0.7) | 6.1 (1.1) | 5.2 (0.9) |
| 80-84 | 108 (44:64) | 6.6 (1.1) | 5.7 (1.8) | 7.2 (1.5) |
| 85-89 | 56 (17:39) | 7.1 (1.4) | 8.0 (2.8) | 6.8 (1.6) |
| 90-94 | 26 (11:15) | 3.7 (0.8) | 4.5 (1.4) | 3.0 (1.0) |
| 95-100 | 6 (1:5) | 2.1 (0.8) | 2.0 | 2.1 (1.0) |
| 100-105 | 1 (0:1) | 0.9 | - | 0.9 |
Note: Data in parentheses in the mean cED column are standard error; cED, the mean cumulative effective dose